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...icit closure. Of course you can explicitly close the handle now, but it's still very counter-intuitive. (2) Even if you explicitly close the handle, the closure will still capture $g and prevent the handle from being freed (the reasons are this are quite subtle -- see perlcall(3) discussion of call_sv for the full details). (3) Whatever you do, you end up with a static array in the XS code storing SVs which has all sorts of horrible thread safety issues. Again, see perlcall(3) for the details. (4) guestfs_close can be called from exit (via an atexit handler) and it's not at all clear that...

This is an updated and extended version of the original patch: https://www.redhat.com/archives/libguestfs/2010-August/msg00163.html This adds OCaml and Perl bindings (both tested), support for progress bars in virt-resize, and adds progress notifications to a number of the simpler commands. Still to do is to add progress messages to more commands. There are still a few commands which would be